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1361057950 = 252737227463
BaseRepresentation
bin101000100100000…
…0001100010011110
310111212001220111201
41101020001202132
510241412323300
6343020110114
745504541660
oct12110014236
93455056451
101361057950
11639310a8a
1231b99533a
13188c95645
14cca96530
157e75166a
hex5120189e

1361057950 has 96 divisors (see below), whose sum is σ = 2990951424. Its totient is φ = 451059840.

The previous prime is 1361057947. The next prime is 1361057969. The reversal of 1361057950 is 597501631.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a nialpdrome in base 14.

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 47 ways as a sum of consecutive naturals, for example, 2939419 + ... + 2939881.

It is an arithmetic number, because the mean of its divisors is an integer number (31155744).

Almost surely, 21361057950 is an apocalyptic number.

1361057950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361057950 is an abundant number, since it is smaller than the sum of its proper divisors (1629893474).

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

1361057950 is a wasteful number, since it uses less digits than its factorization.

1361057950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 1361057950 is about 36892.5188893358. The cubic root of 1361057950 is about 1108.2188651953.

The spelling of 1361057950 in words is "one billion, three hundred sixty-one million, fifty-seven thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 37 50 70 74 175 185 227 259 350 370 454 463 518 925 926 1135 1295 1589 1850 2270 2315 2590 3178 3241 4630 5675 6475 6482 7945 8399 11350 11575 12950 15890 16205 16798 17131 23150 32410 34262 39725 41995 58793 79450 81025 83990 85655 105101 117586 119917 162050 171310 209975 210202 239834 293965 419950 428275 525505 587930 599585 735707 856550 1051010 1199170 1469825 1471414 2627525 2939650 2997925 3678535 3888737 5255050 5995850 7357070 7777474 18392675 19443685 27221159 36785350 38887370 54442318 97218425 136105795 194436850 272211590 680528975 1361057950