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12742464 = 263719499
BaseRepresentation
bin110000100110…
…111101000000
3212222101101010
4300212331000
511230224324
61133040520
7213211020
oct60467500
925871333
1012742464
117213669
124326140
132841c27
141999a80
1511ba829
hexc26f40

12742464 has 112 divisors (see below), whose sum is σ = 40640000. Its totient is φ = 3442176.

The previous prime is 12742459. The next prime is 12742481. The reversal of 12742464 is 46424721.

It is a tau number, because it is divible by the number of its divisors (112).

It is a nude number because it is divisible by every one of its digits.

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, 25287 + ... + 25785.

Almost surely, 212742464 is an apocalyptic number.

12742464 is a gapful number since it is divisible by the number (14) 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 12742464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20320000).

12742464 is an abundant number, since it is smaller than the sum of its proper divisors (27897536).

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

12742464 is a wasteful number, since it uses less digits than its factorization.

12742464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 530 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 12742464 is about 3569.6588072251. The cubic root of 12742464 is about 233.5704003279.

The spelling of 12742464 in words is "twelve million, seven hundred forty-two thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 64 76 84 96 112 114 133 152 168 192 224 228 266 304 336 399 448 456 499 532 608 672 798 912 998 1064 1216 1344 1497 1596 1824 1996 2128 2994 3192 3493 3648 3992 4256 5988 6384 6986 7984 8512 9481 10479 11976 12768 13972 15968 18962 20958 23952 25536 27944 28443 31936 37924 41916 47904 55888 56886 66367 75848 83832 95808 111776 113772 132734 151696 167664 199101 223552 227544 265468 303392 335328 398202 455088 530936 606784 670656 796404 910176 1061872 1592808 1820352 2123744 3185616 4247488 6371232 12742464