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672529896 = 2332113131631
BaseRepresentation
bin101000000101011…
…111110111101000
31201212111001120200
4220011133313220
52334131424041
6150422352200
722444260363
oct5005376750
91655431520
10672529896
11315697735
1216928b660
13a9441aac
14654670da
153e0981b6
hex2815fde8

672529896 has 96 divisors (see below), whose sum is σ = 1854515520. Its totient is φ = 220147200.

The previous prime is 672529889. The next prime is 672529901. The reversal of 672529896 is 698925276.

It is a super-2 number, since 2×6725298962 = 904592922027541632, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1065501 + ... + 1066131.

It is an arithmetic number, because the mean of its divisors is an integer number (19317870).

Almost surely, 2672529896 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 672529896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927257760).

672529896 is an abundant number, since it is smaller than the sum of its proper divisors (1181985624).

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

672529896 is a wasteful number, since it uses less digits than its factorization.

672529896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 880 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 672529896 is about 25933.1813705916. The cubic root of 672529896 is about 876.1339946402.

The spelling of 672529896 in words is "six hundred seventy-two million, five hundred twenty-nine thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 113 131 226 262 339 393 452 524 631 678 786 904 1017 1048 1179 1262 1356 1572 1893 2034 2358 2524 2712 3144 3786 4068 4716 5048 5679 7572 8136 9432 11358 14803 15144 22716 29606 44409 45432 59212 71303 82661 88818 118424 133227 142606 165322 177636 213909 247983 266454 285212 330644 355272 427818 495966 532908 570424 641727 661288 743949 855636 991932 1065816 1283454 1487898 1711272 1983864 2566908 2975796 5133816 5951592 9340693 18681386 28022079 37362772 56044158 74725544 84066237 112088316 168132474 224176632 336264948 672529896