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42369012 = 22327198849
BaseRepresentation
bin1010000110011…
…1111111110100
32221201120100200
42201213333310
541321302022
64112040500
71023062550
oct241477764
987646320
1042369012
1121a09514
1212233130
138a15c2a
1458ac860
153abdbac
hex2867ff4

42369012 has 72 divisors (see below), whose sum is σ = 128856000. Its totient is φ = 11467008.

The previous prime is 42368983. The next prime is 42369017. The reversal of 42369012 is 21096324.

It is a super-2 number, since 2×423690122 = 3590266355712288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42369017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364 + ... + 9212.

Almost surely, 242369012 is an apocalyptic number.

42369012 is a gapful number since it is divisible by the number (42) 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 42369012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64428000).

42369012 is an abundant number, since it is smaller than the sum of its proper divisors (86486988).

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

42369012 is a wasteful number, since it uses less digits than its factorization.

42369012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885 (or 8880 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 42369012 is about 6509.1483313871. The cubic root of 42369012 is about 348.6177098745.

The spelling of 42369012 in words is "forty-two million, three hundred sixty-nine thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 76 84 114 126 133 171 228 252 266 342 399 532 684 798 1197 1596 2394 4788 8849 17698 26547 35396 53094 61943 79641 106188 123886 159282 168131 185829 247772 318564 336262 371658 504393 557487 672524 743316 1008786 1114974 1176917 1513179 2017572 2229948 2353834 3026358 3530751 4707668 6052716 7061502 10592253 14123004 21184506 42369012