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133650370 = 257193172
BaseRepresentation
bin1111111011101…
…01011111000010
3100022111010211201
413331311133002
5233203302440
621132331414
73212003140
oct775653702
9308433751
10133650370
1169495557
1238913b6a
13218c6179
1413a70590
15bb0019a
hex7f757c2

133650370 has 48 divisors (see below), whose sum is σ = 290324160. Its totient is φ = 43274304.

The previous prime is 133650353. The next prime is 133650373. The reversal of 133650370 is 73056331.

It is a super-2 number, since 2×1336503702 = 35724842802273800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133650373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421452 + ... + 421768.

It is an arithmetic number, because the mean of its divisors is an integer number (6048420).

Almost surely, 2133650370 is an apocalyptic number.

133650370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133650370 is an abundant number, since it is smaller than the sum of its proper divisors (156673790).

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

133650370 is an equidigital number, since it uses as much as digits as its factorization.

133650370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 133650370 is about 11560.7253232658. The cubic root of 133650370 is about 511.2775480679.

The spelling of 133650370 in words is "one hundred thirty-three million, six hundred fifty thousand, three hundred seventy".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 317 634 665 1330 1585 2219 3170 4438 6023 11095 12046 22190 30115 42161 60230 84322 100489 200978 210805 421610 502445 703423 1004890 1406846 1909291 3517115 3818582 7034230 9546455 13365037 19092910 26730074 66825185 133650370