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100253472 = 25311139683
BaseRepresentation
bin1011111100110…
…11111100100000
320222122101220120
411332123330200
5201131102342
613540440240
72325066114
oct576337440
9228571816
10100253472
1151654a10
12296a9080
1317a01ca7
14d459744
158c04aec
hex5f9bf20

100253472 has 96 divisors (see below), whose sum is σ = 289578240. Its totient is φ = 30117120.

The previous prime is 100253453. The next prime is 100253533. The reversal of 100253472 is 274352001.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 146443 + ... + 147125.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2100253472 is an apocalyptic number.

100253472 is a gapful number since it is divisible by the number (12) 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 100253472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144789120).

100253472 is an abundant number, since it is smaller than the sum of its proper divisors (189324768).

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

100253472 is a wasteful number, since it uses less digits than its factorization.

100253472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 100253472 is about 10012.6655791552. The cubic root of 100253472 is about 464.5507234142.

The spelling of 100253472 in words is "one hundred million, two hundred fifty-three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 139 176 264 278 352 417 528 556 683 834 1056 1112 1366 1529 1668 2049 2224 2732 3058 3336 4098 4448 4587 5464 6116 6672 7513 8196 9174 10928 12232 13344 15026 16392 18348 21856 22539 24464 30052 32784 36696 45078 48928 60104 65568 73392 90156 94937 120208 146784 180312 189874 240416 284811 360624 379748 569622 721248 759496 1044307 1139244 1518992 2088614 2278488 3037984 3132921 4177228 4556976 6265842 8354456 9113952 12531684 16708912 25063368 33417824 50126736 100253472