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152503040 = 285283421
BaseRepresentation
bin10010001011100…
…00001100000000
3101121221221211202
421011300030000
5303020044130
623044400332
73531153164
oct1105601400
9347857752
10152503040
11790a1878
12430a60a8
13257972b1
141637aca4
15d5c6145
hex9170300

152503040 has 72 divisors (see below), whose sum is σ = 367453968. Its totient is φ = 60641280.

The previous prime is 152503037. The next prime is 152503081. The reversal of 152503040 is 40305251.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362030 + ... + 362450.

Almost surely, 2152503040 is an apocalyptic number.

152503040 is a gapful number since it is divisible by the number (10) 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 152503040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183726984).

152503040 is an abundant number, since it is smaller than the sum of its proper divisors (214950928).

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

152503040 is an equidigital number, since it uses as much as digits as its factorization.

152503040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 152503040 is about 12349.2121206173. The cubic root of 152503040 is about 534.2684151387.

Adding to 152503040 its reverse (40305251), we get a palindrome (192808291).

The spelling of 152503040 in words is "one hundred fifty-two million, five hundred three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 283 320 421 566 640 842 1132 1280 1415 1684 2105 2264 2830 3368 4210 4528 5660 6736 8420 9056 11320 13472 16840 18112 22640 26944 33680 36224 45280 53888 67360 72448 90560 107776 119143 134720 181120 238286 269440 362240 476572 538880 595715 953144 1191430 1906288 2382860 3812576 4765720 7625152 9531440 15250304 19062880 30500608 38125760 76251520 152503040