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151979450 = 2527676481
BaseRepresentation
bin10010000111100…
…00010110111010
3101120222100121112
421003300112322
5302401320300
623025240322
73523542530
oct1103602672
9346870545
10151979450
1178874457
1242a930a2
1325642b8c
1416282150
15d520e35
hex90f05ba

151979450 has 48 divisors (see below), whose sum is σ = 327937344. Its totient is φ = 51321600.

The previous prime is 151979449. The next prime is 151979491. The reversal of 151979450 is 54979151.

It is a junction number, because it is equal to n+sod(n) for n = 151979398 and 151979407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20210 + ... + 26690.

It is an arithmetic number, because the mean of its divisors is an integer number (6832028).

Almost surely, 2151979450 is an apocalyptic number.

151979450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151979450 is an abundant number, since it is smaller than the sum of its proper divisors (175957894).

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

151979450 is a wasteful number, since it uses less digits than its factorization.

151979450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567 (or 6562 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 151979450 is about 12327.9945652162. The cubic root of 151979450 is about 533.6562779351.

The spelling of 151979450 in words is "one hundred fifty-one million, nine hundred seventy-nine thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 67 70 134 175 335 350 469 670 938 1675 2345 3350 4690 6481 11725 12962 23450 32405 45367 64810 90734 162025 226835 324050 434227 453670 868454 1134175 2171135 2268350 3039589 4342270 6079178 10855675 15197945 21711350 30395890 75989725 151979450