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154372940 = 22514951803
BaseRepresentation
bin10010011001110…
…00101101001100
3101202110221212022
421030320231030
5304004413230
623152425312
73553101611
oct1114705514
9352427768
10154372940
117a159747
1243848238
1325ca0447
1416706508
15d8451e5
hex9338b4c

154372940 has 24 divisors (see below), whose sum is σ = 326365200. Its totient is φ = 61333568.

The previous prime is 154372927. The next prime is 154372951. The reversal of 154372940 is 49273451.

It is a self number, because there is not a number n which added to its sum of digits gives 154372940.

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 7 ways as a sum of consecutive naturals, for example, 22922 + ... + 28881.

It is an arithmetic number, because the mean of its divisors is an integer number (13598550).

Almost surely, 2154372940 is an apocalyptic number.

154372940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154372940 is an abundant number, since it is smaller than the sum of its proper divisors (171992260).

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

154372940 is a wasteful number, since it uses less digits than its factorization.

154372940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51961 (or 51959 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 154372940 is about 12424.6907406181. The cubic root of 154372940 is about 536.4431760203.

The spelling of 154372940 in words is "one hundred fifty-four million, three hundred seventy-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 51803 103606 207212 259015 518030 1036060 7718647 15437294 30874588 38593235 77186470 154372940