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114831640 = 235711231621
BaseRepresentation
bin1101101100000…
…11000100011000
322000002001101201
412312003010120
5213344103030
615221123544
72563024060
oct666030430
9260061351
10114831640
1159901790
12325595b4
131aa37621
14113723a0
15a1342ca
hex6d83118

114831640 has 128 divisors (see below), whose sum is σ = 336337920. Its totient is φ = 34214400.

The previous prime is 114831631. The next prime is 114831659. The reversal of 114831640 is 46138411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 114831599 and 114831608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70030 + ... + 71650.

It is an arithmetic number, because the mean of its divisors is an integer number (2627640).

Almost surely, 2114831640 is an apocalyptic number.

114831640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 114831640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168168960).

114831640 is an abundant number, since it is smaller than the sum of its proper divisors (221506280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

114831640 is a wasteful number, since it uses less digits than its factorization.

114831640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 114831640 is about 10715.9525941467. The cubic root of 114831640 is about 486.0569855335.

The spelling of 114831640 in words is "one hundred fourteen million, eight hundred thirty-one thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 23 28 35 40 44 46 55 56 70 77 88 92 110 115 140 154 161 184 220 230 253 280 308 322 385 440 460 506 616 644 770 805 920 1012 1265 1288 1540 1610 1621 1771 2024 2530 3080 3220 3242 3542 5060 6440 6484 7084 8105 8855 10120 11347 12968 14168 16210 17710 17831 22694 32420 35420 35662 37283 45388 56735 64840 70840 71324 74566 89155 90776 113470 124817 142648 149132 178310 186415 226940 249634 260981 298264 356620 372830 410113 453880 499268 521962 624085 713240 745660 820226 998536 1043924 1248170 1304905 1491320 1640452 2050565 2087848 2496340 2609810 2870791 3280904 4101130 4992680 5219620 5741582 8202260 10439240 11483164 14353955 16404520 22966328 28707910 57415820 114831640