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151463820 = 223519132863
BaseRepresentation
bin10010000011100…
…10011110001100
3101120000011022010
421001302132030
5302233320240
623010221220
73516264324
oct1101623614
9346004263
10151463820
1178552012
1242884810
13254c2281
141618a284
15d46d280
hex907278c

151463820 has 48 divisors (see below), whose sum is σ = 446423040. Its totient is φ = 38264256.

The previous prime is 151463791. The next prime is 151463857. The reversal of 151463820 is 28364151.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 65292 + ... + 67571.

It is an arithmetic number, because the mean of its divisors is an integer number (9300480).

Almost surely, 2151463820 is an apocalyptic number.

151463820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151463820 is an abundant number, since it is smaller than the sum of its proper divisors (294959220).

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

151463820 is a wasteful number, since it uses less digits than its factorization.

151463820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132894 (or 132892 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 151463820 is about 12307.0638252997. The cubic root of 151463820 is about 533.0520713160.

The spelling of 151463820 in words is "one hundred fifty-one million, four hundred sixty-three thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 132863 265726 398589 531452 664315 797178 1328630 1594356 1992945 2524397 2657260 3985890 5048794 7573191 7971780 10097588 12621985 15146382 25243970 30292764 37865955 50487940 75731910 151463820