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70127040 = 2635174297
BaseRepresentation
bin1000010111000…
…00110111000000
311212221211012210
410023200313000
5120423031130
610543022120
71511033004
oct413406700
9155854183
1070127040
1136648535
121b59a940
13116b45b9
149456704
1562535b0
hex42e0dc0

70127040 has 112 divisors (see below), whose sum is σ = 235805472. Its totient is φ = 17596416.

The previous prime is 70127039. The next prime is 70127063. The reversal of 70127040 is 4072107.

It is a junction number, because it is equal to n+sod(n) for n = 70126998 and 70127016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14172 + ... + 18468.

It is an arithmetic number, because the mean of its divisors is an integer number (2105406).

Almost surely, 270127040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70127040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117902736).

70127040 is an abundant number, since it is smaller than the sum of its proper divisors (165678432).

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

70127040 is a wasteful number, since it uses less digits than its factorization.

70127040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 70127040 is about 8374.1889159488. The cubic root of 70127040 is about 412.3776974426.

Adding to 70127040 its reverse (4072107), we get a palindrome (74199147).

The spelling of 70127040 in words is "seventy million, one hundred twenty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 136 160 170 192 204 240 255 272 320 340 408 480 510 544 680 816 960 1020 1088 1360 1632 2040 2720 3264 4080 4297 5440 8160 8594 12891 16320 17188 21485 25782 34376 42970 51564 64455 68752 73049 85940 103128 128910 137504 146098 171880 206256 219147 257820 275008 292196 343760 365245 412512 438294 515640 584392 687520 730490 825024 876588 1031280 1095735 1168784 1375040 1460980 1753176 2062560 2191470 2337568 2921960 3506352 4125120 4382940 4675136 5843920 7012704 8765880 11687840 14025408 17531760 23375680 35063520 70127040