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1953542972 = 22488385743
BaseRepresentation
bin111010001110000…
…1011001100111100
312001010221021011102
41310130023030330
513000101333342
6521503112232
766260561363
oct16434131474
95033837142
101953542972
119127a6827
124662a2678
1325195c7b4
141476447da
15b6787832
hex7470b33c

1953542972 has 6 divisors (see below), whose sum is σ = 3418700208. Its totient is φ = 976771484.

The previous prime is 1953542963. The next prime is 1953542989. The reversal of 1953542972 is 2792453591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244192868 + ... + 244192875.

It is an arithmetic number, because the mean of its divisors is an integer number (569783368).

Almost surely, 21953542972 is an apocalyptic number.

It is an amenable number.

1953542972 is a deficient number, since it is larger than the sum of its proper divisors (1465157236).

1953542972 is a wasteful number, since it uses less digits than its factorization.

1953542972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488385747 (or 488385745 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The square root of 1953542972 is about 44198.9023845615. The cubic root of 1953542972 is about 1250.0891610001.

The spelling of 1953542972 in words is "one billion, nine hundred fifty-three million, five hundred forty-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 488385743 976771486 1953542972